#include <iostream>
#include<vector>
using namespace std;
int main(int argc, char** argv) {
vector<int> f2 = {0x69,0x63,0x75,0x67,0x60,0x6f,0x66,0x7f};
 vector<int>::iterator it_f2; 
 it_f2 = f2.begin();
for(int i=0; i<f2.size(); ++i){
if(i % 2 == 1){
*(it_f2+i) -= 2;}else{
--*(it_f2+i);}
}
char c;
for(int index=0; index<f2.size(); ++index){
c = f2[index];
 cout<< c;
}
}